#include <stdio.h>

#define	LOWER	0
#define UPPER	300
#define STEP	20

main()
{
	int fahr;
	
	for (fahr = LOWER; fahr <= UPPER; fahr = fahr + STEP)
		printf("%3d %6.1f \n", fahr, (5.0/9.0)*(fahr-32));
}
